> Yes, but the content is typically immutable once it has left the back> end server; the way CGI works is that a process is spawned to handle

Ok so why are you doing this via pipes ? Whatever happened to passingfile handles. You set the tcp to block sending partial frames, youwrite the header pieces you can you fire the cgi up with the socket fd.Better yet since in the real world you dont use an exec every time cgimodel (if you do then io-lite is the least of your worries) you pass thefile handle with fd passing.

We have a mechanism for passing the data channel itself. Checksum cachingis a seperate issue to this.

Alan

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